//
//  STVisitorView.swift
//  Demo-04-TabBarTest
//
//  Created by 苏统世 on 16/5/11.
//  Copyright © 2016年 SuTon. All rights reserved.
//

import UIKit

// MARK: - 定义协议   <NSObject>
@objc protocol STVisitorViewDelegate: NSObjectProtocol {
    // 2.定义协议方法
    /// 注册按钮被点击后的代理方法
    optional func visitorViewDidClickRegister()
    
    /// 登录按钮被点击后的代理方法
    func visitorViewDidClickLogin()
}

class STVisitorView: UIView {
    var name: String
    /// 3.定义代理属性
    // @property(weak) id<CZVisitorViewDelegate> delegate;
    weak var delegate: STVisitorViewDelegate?
    
    override init(frame: CGRect) {
        // 在super.init之前给属性赋值
        // 调用对象方法不能放到super.init之前,在super.init之前,这个对象还没初始化好(创建),对象没创建好是不能调用对象的方法的
        self.name = ""
        super.init(frame: frame)
        
        prepareUI()
    }

    required init?(coder aDecoder: NSCoder) {
        fatalError("init(coder:) has not been implemented")
    }
    // MARK: - 公开的方法
    /// 设置访客视图内容
    func setupVisitorInfo(imageName: String, message: String) {
        // 将转轮图片替换
        iconView.image = UIImage(named: imageName)
        // 设置messageLabel
        messageLabel.text = message
        // 隐藏小房子
        homeView.hidden = true
        // 隐藏遮盖
        coverView.hidden = true
    }
    // MARK:  设置动画
    func startRotationAnimation(){
        let animal=CABasicAnimation(keyPath: "transform.rotation")
        animal.toValue=M_PI*2
        animal.duration=20
        animal.repeatCount=MAXFLOAT
        animal.removedOnCompletion=false
        iconView.layer.addAnimation(animal, forKey: "")
    }
    // MARK: - 私有-设置UI
    private func prepareUI() {
        // 设置背景颜色
        //        self.backgroundColor = UIColor(red: 232 / 255.0, green: 232 / 255.0, blue: 232 / 255.0, alpha: 1)
        self.backgroundColor = UIColor(white: 237 / 255.0, alpha: 1)
        
        // 将子控件添加进来
        self.addSubview(iconView)
        self.addSubview(coverView)
        self.addSubview(homeView)
        self.addSubview(messageLabel)
        self.addSubview(registerButton)
        self.addSubview(loginButton)
        
        iconView.translatesAutoresizingMaskIntoConstraints = false
        coverView.translatesAutoresizingMaskIntoConstraints = false
        homeView.translatesAutoresizingMaskIntoConstraints = false
        messageLabel.translatesAutoresizingMaskIntoConstraints = false
        registerButton.translatesAutoresizingMaskIntoConstraints = false
        loginButton.translatesAutoresizingMaskIntoConstraints = false
        
        // 添加约束(最好只添加一次)
        // 创建的约束都往要约束的view的父控件上面添加
        
        // 转轮
        /// CenterX和父控件的CenterX重合
        // item: 要添加约束的view
        // attribute: 要添加的View的属性
        // toItem: 要参照的view
        // attribute: 要参照View的属性
        // 将约束添加到view上面去
        self.addConstraint(NSLayoutConstraint(item: iconView, attribute: NSLayoutAttribute.CenterX, relatedBy: NSLayoutRelation.Equal, toItem: self, attribute: NSLayoutAttribute.CenterX, multiplier: 1, constant: 0))
        
        /// CenterY和父控件的CenterY重合
        self.addConstraint(NSLayoutConstraint(item: iconView, attribute: NSLayoutAttribute.CenterY, relatedBy: NSLayoutRelation.Equal, toItem: self, attribute: NSLayoutAttribute.CenterY, multiplier: 1, constant: -40))
        
        // 遮盖
        self.addConstraint(NSLayoutConstraint(item: coverView, attribute: NSLayoutAttribute.Leading, relatedBy: NSLayoutRelation.Equal, toItem: self, attribute: NSLayoutAttribute.Leading, multiplier: 1, constant: 0))
        self.addConstraint(NSLayoutConstraint(item: coverView, attribute: NSLayoutAttribute.Top, relatedBy: NSLayoutRelation.Equal, toItem: self, attribute: NSLayoutAttribute.Top, multiplier: 1, constant: 0))
        self.addConstraint(NSLayoutConstraint(item: coverView, attribute: NSLayoutAttribute.Trailing, relatedBy: NSLayoutRelation.Equal, toItem: self, attribute: NSLayoutAttribute.Trailing, multiplier: 1, constant: 0))
        self.addConstraint(NSLayoutConstraint(item: coverView, attribute: NSLayoutAttribute.Bottom, relatedBy: NSLayoutRelation.Equal, toItem: registerButton, attribute: NSLayoutAttribute.Bottom, multiplier: 1, constant: 0))
        
        // 小房子
        // CenterX转轮CenterX
        self.addConstraint(NSLayoutConstraint(item: homeView, attribute: NSLayoutAttribute.CenterX, relatedBy: NSLayoutRelation.Equal, toItem: iconView, attribute: NSLayoutAttribute.CenterX, multiplier: 1, constant: 0))
        // CenterY转轮CenterY
        self.addConstraint(NSLayoutConstraint(item: homeView, attribute: NSLayoutAttribute.CenterY, relatedBy: NSLayoutRelation.Equal, toItem: iconView, attribute: NSLayoutAttribute.CenterY, multiplier: 1, constant: 0))
        
        // 消息label
        /// 宽度
        /// 当参照的view为nil时,属性为NSLayoutAttribute.NotAnAttribute
        self.addConstraint(NSLayoutConstraint(item: messageLabel, attribute: NSLayoutAttribute.Width, relatedBy: NSLayoutRelation.Equal, toItem: nil, attribute: NSLayoutAttribute.NotAnAttribute, multiplier: 1, constant: 240))
        
        // CenterX 和父控件CenterX
        self.addConstraint(NSLayoutConstraint(item: messageLabel, attribute: NSLayoutAttribute.CenterX, relatedBy: NSLayoutRelation.Equal, toItem: self, attribute: NSLayoutAttribute.CenterX, multiplier: 1, constant: 0))
        
        // Top和转轮底部
        self.addConstraint(NSLayoutConstraint(item: messageLabel, attribute: NSLayoutAttribute.Top, relatedBy: NSLayoutRelation.Equal, toItem: iconView, attribute: NSLayoutAttribute.Bottom, multiplier: 1, constant: 16))
        
        // 注册按钮
        /// 顶部和label底部
        self.addConstraint(NSLayoutConstraint(item: registerButton, attribute: NSLayoutAttribute.Top, relatedBy: NSLayoutRelation.Equal, toItem: messageLabel, attribute: NSLayoutAttribute.Bottom, multiplier: 1, constant: 16))
        
        /// 左边和label对齐
        self.addConstraint(NSLayoutConstraint(item: registerButton, attribute: NSLayoutAttribute.Leading, relatedBy: NSLayoutRelation.Equal, toItem: messageLabel, attribute: NSLayoutAttribute.Leading, multiplier: 1, constant: 0))
        
        /// 宽度
        self.addConstraint(NSLayoutConstraint(item: registerButton, attribute: NSLayoutAttribute.Width, relatedBy: NSLayoutRelation.Equal, toItem: nil, attribute: NSLayoutAttribute.NotAnAttribute, multiplier: 1, constant: 100))
        
        // 高度
        self.addConstraint(NSLayoutConstraint(item: registerButton, attribute: NSLayoutAttribute.Height, relatedBy: NSLayoutRelation.Equal, toItem: nil, attribute: NSLayoutAttribute.NotAnAttribute, multiplier: 1, constant: 35))
        
        // 登录按钮
        /// 顶部和label底部
        self.addConstraint(NSLayoutConstraint(item: loginButton, attribute: NSLayoutAttribute.Top, relatedBy: NSLayoutRelation.Equal, toItem: messageLabel, attribute: NSLayoutAttribute.Bottom, multiplier: 1, constant: 16))
        
        /// 右边和label对齐
        self.addConstraint(NSLayoutConstraint(item: loginButton, attribute: NSLayoutAttribute.Trailing, relatedBy: NSLayoutRelation.Equal, toItem: messageLabel, attribute: NSLayoutAttribute.Trailing, multiplier: 1, constant: 0))
        
        /// 宽度
        self.addConstraint(NSLayoutConstraint(item: loginButton, attribute: NSLayoutAttribute.Width, relatedBy: NSLayoutRelation.Equal, toItem: nil, attribute: NSLayoutAttribute.NotAnAttribute, multiplier: 1, constant: 100))
        
        // 高度
        self.addConstraint(NSLayoutConstraint(item: loginButton, attribute: NSLayoutAttribute.Height, relatedBy: NSLayoutRelation.Equal, toItem: nil, attribute: NSLayoutAttribute.NotAnAttribute, multiplier: 1, constant: 35))
    }

    // MARK: - 懒加载
    /// 所有的控件
    /// 转轮
    private lazy var iconView: UIImageView = UIImageView(image: UIImage(named: "visitordiscover_feed_image_smallicon"))
    
    /// 遮盖视图
    private lazy var coverView: UIImageView = UIImageView(image: UIImage(named: "visitordiscover_feed_mask_smallicon"))
    
    /// 小房子
    private lazy var homeView: UIImageView = UIImageView(image: UIImage(named: "visitordiscover_feed_image_house"))
    
    /// 消息文字
    private lazy var messageLabel: UILabel = {
        let label = UILabel()
        
        // 设置label
        label.text = "关注一些人,看看有什么惊喜!"
        label.textColor = UIColor.blackColor()
        label.font = UIFont.systemFontOfSize(16)
        label.textAlignment = NSTextAlignment.Center
        label.numberOfLines = 0
        label.sizeToFit()
        
        return label
    }()
    
    /// 注册按钮
    private lazy var registerButton: UIButton = {
        let button = UIButton()
        
        // 设置
//        let imageStr=getImageWithSource(UIImage(named: "common_button_white_disable")!)
        let imageStr=UIImage(named: "common_button_white_disable")
        button.setBackgroundImage(imageStr, forState: UIControlState.Normal)
        button.setTitleColor(UIColor.orangeColor(), forState: UIControlState.Normal)
        button.setTitle("注册", forState: UIControlState.Normal)
        //        button.titleLabel?.text  不要这样设置,到时候出不来
        
        button.addTarget(self, action: "didClickRegister", forControlEvents: UIControlEvents.TouchUpInside)
        
        return button
    }()
    
    /// 登录按钮
    private lazy var loginButton: UIButton = {
        let button = UIButton()
        
        // 设置
//        let imageStr=getImageWithSource(UIImage(named: "common_button_white_disable")!)
        let imageStr=UIImage(named: "common_button_white_disable")
        button.setBackgroundImage(imageStr, forState: UIControlState.Normal)
        button.setTitleColor(UIColor.blackColor(), forState: UIControlState.Normal)
        button.setTitle("登录", forState: UIControlState.Normal)
        
        button.addTarget(self, action: "didClickLogin", forControlEvents: UIControlEvents.TouchUpInside)
        
        return button
    }()
    
    // MARK: - 按钮点击事件
    // 按钮点击事件方法是系统来调用, 当把按钮点击事件private后系统就找不到这个方法了
    // @objc: 让系统可以找到我们的方法
    @objc private func didClickRegister() {
        //        print(__FUNCTION__)
        // view不能Modal出控制器来,需要将事件传递给控制器
        // 4.调用代理的方法
        delegate?.visitorViewDidClickRegister?()
    }
    
    @objc private func didClickLogin() {
        //        print(__FUNCTION__)
        // 4.调用代理的方法
        delegate?.visitorViewDidClickLogin()
    }
    
    
}
